chore(deps): update dependency prop-types to v15.6.2

Author: renovate-bot

Diff for: package.json

@@ -56,7 +56,7 @@
     "diff": "3.5.0",
     "execa": "0.10.0",
     "nyc": "12.0.2",
-    "prop-types": "15.6.1",
+    "prop-types": "15.6.2",
     "react": "16.4.1",
     "rimraf": "2.6.2",
     "source-map-support": "0.5.6",

Diff for: yarn.lock

@@ -3985,7 +3985,14 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-[email protected], prop-types@^15.6.0:
+[email protected]:
+  version "15.6.2"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.2.tgz#05d5ca77b4453e985d60fc7ff8c859094a497102"
+  dependencies:
+    loose-envify "^1.3.1"
+    object-assign "^4.1.1"
+
+prop-types@^15.6.0:
   version "15.6.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.1.tgz#36644453564255ddda391191fb3a125cbdf654ca"
   dependencies: